import { Component, OnInit } from '@angular/core';
import { Hero } from '../hero';
import { HeroService } from '../hero.service';

@Component({
  selector: 'app-heroes',
  templateUrl: './heroes.component.html',
  styleUrls: ['./heroes.component.css']
})
export class HeroesComponent implements OnInit {

  heroes: Hero[];
  selectedHero: Hero;
  onSelect(hero: Hero): void {
    this.selectedHero = hero;
  };

  getHeroes(): void {
    this.heroService.getHeroes().subscribe(heroes => { this.heroes = heroes });
  }

  addHero(name: string): void {
    name = name.trim();
    if (!name) { return; }
    this.heroService.addHero({ name } as Hero).subscribe(hero => this.heroes.push(hero));
  }

  deleteHero(hero: Hero): void {
    this.heroes = this.heroes.filter(fh => fh.id !== hero.id);
    this.heroService.deleteHero(hero).subscribe();
  }

  constructor(private heroService: HeroService) {
  }

  ngOnInit() {
    this.getHeroes();
  }

}
